import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Categories from '../components/goods/Categories.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import GoodsAdd from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const router = new VueRouter({
    routes: [{
            path: '/',
            redirect: '/login'
        },
        {
            path: '/login',
            component: Login
        },
        {
            path: '/home',
            component: Home,
            redirect: '/welcome',
            children: [{
                    path: '/welcome',
                    component: Welcome
                },
                {
                    path: '/users',
                    component: Users
                },
                {
                    path: '/rights',
                    component: Rights
                },
                {
                    path: '/roles',
                    component: Roles
                },
                {
                    path: '/categories',
                    component: Categories
                },
                {
                    path: '/params',
                    component: Params
                },
                {
                    path: '/goods',
                    component: GoodsList
                },
                {
                    path: '/goods/add',
                    component: GoodsAdd
                },
                {
                    path: '/orders',
                    component: Order
                },
                {
                    path: '/reports',
                    component: Report
                }
            ]
        }
    ]
})

// 挂载路由导航守卫,to表示将要访问的路径，from表示从哪里来，next是下一个要做的操作
router.beforeEach((to, from, next) => {
    // next()是表示放行
    if (to.path === '/login') return next()

    // 获取token
    const tokenStr = window.sessionStorage.getItem('token')

    if (!tokenStr) return next('/login')

    next()
})

export default router
